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Inventories
12 Months Ended
Dec. 28, 2013
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
INVENTORIES

Inventories are summarized as follows:
 
2013
 
2012
Raw materials
$
31,864

 
$
23,002

Work-in-process
16,880

 
13,786

Finished goods
57,983

 
49,251

Supplies, repair parts and other
566

 
470

LIFO reserve
(13,626
)
 
(14,264
)
Total inventories
$
93,667

 
$
72,245